NetBSD Problem Report #52621

From www@NetBSD.org  Sat Oct 14 22:31:36 2017
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Date: Sat, 14 Oct 2017 22:31:35 +0000 (UTC)
From: venture37@geeklan.co.uk
Reply-To: venture37@geeklan.co.uk
To: gnats-bugs@NetBSD.org
Subject: Running tcpdump on fwip(4) causes panic
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>Number:         52621
>Category:       kern
>Synopsis:       Running tcpdump on fwip(4) causes panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Oct 14 22:35:00 +0000 2017
>Closed-Date:    Sat Jun 16 01:54:32 +0000 2018
>Last-Modified:  Sat Jun 16 01:54:32 +0000 2018
>Originator:     Sevan Janiyan
>Release:        
>Organization:
>Environment:
NetBSD 8.99.4 i386
>Description:
While investigate lack of communication reported in kern/52619, launching tcpdump -i fwip0 results in a panic.

On my i386 host, the message reported is:
kernel diagnostic assertion "!cpu_intr_p()" failed: file "/usr/src/sys/net/bpf.c", line 1579


bt:
https://pbs.twimg.com/media/DMIcmauWsAAsS0e.jpg:orig
>How-To-Repeat:
Connect to another host over firwire.
Configure IP addresses on fwip interfaces at each end
ifconfig fwip0 10.1.1.1/24 up

Ping remote host
ping 10.1.1.2

Run tcpdump to listen on fwip interface
tcpdump -i fwip0

After a minute or two, host should panic
>Fix:

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->closed
State-Changed-By: sevan@NetBSD.org
State-Changed-When: Sat, 16 Jun 2018 01:54:32 +0000
State-Changed-Why:
local issue likely, as a fallout from coreboot.
Unable to reprodue on macppc and amd64 port.


>Unformatted:

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